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Inductive sliding micrometer

A micrometer and inductive technology, which is applied in the direction of measuring devices, instruments, and electrical devices, can solve the problems of greater influence on instrument stability and measurement accuracy, restrictions on sensitivity and measurement accuracy, and low measurement accuracy. Achieve fast positioning, high sensitivity, and high measurement accuracy

Active Publication Date: 2011-12-28
STATE GRID ELECTRIC POWER RES INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The sensitivity and measurement accuracy of the instrument are restricted by the measurement range. When the measurement range increases, the measurement accuracy is significantly lower; the positioning deviation allowed by the instrument is small, and it is difficult to locate during measurement. It takes more time to complete the measurement of a measurement line. The stability of the instrument and Measurement accuracy is greatly affected by ambient temperature

Method used

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  • Inductive sliding micrometer
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Examples

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0032] Such as figure 1 As shown, an inductive sliding micrometer includes a housing 6, an upper seal seat 8, a lower seal seat 2, a guide roller component 1, a cable outlet seat 9, a central support rod 4, an inductance coil 5, an elastic connecting rod 3, Measurement and control circuit board 7. The central support rod 4 is a long rod located in the shell 6, and the two ends of the central support rod 4 are covered with elastic connecting rods 3, and a group of inductance coils 5 are respectively installed on the central support rod 4 near the two ends. , a total of two groups of inductance coils 5, each group of inductance coils 5 is composed of two small coils wound on the same bobbin in s...

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Abstract

The invention discloses an inductive type sliding micrometer which is characterized by comprising a shell, a central support rod arranged in the shell, two groups of inductive coils arranged on the central support rod and spaced at a distance, elastic connecting rods arranged at two ends of the central support rod, sealing bases sleeved at the ends of the elastic connecting rods and sealed together with the two ends of the shell, wherein the sealing base at one end is in sealed connection with one end of a cable outlet base, the other end of the cable outlet base is in sealed connection with an air socket; and a measurement circuit board connected with the inductive coils. The inductive type sliding micrometer provided by the invention has the advantages of high sensitivity, high measurement precision, large measurement range, high stability, no mechanical abrasion, rapid location, convenience in operation and convenience in carrying. A probe cannot be contacted with a measuring mark in a measurement process. The inductive type sliding micrometer can be applied to a gauging pipe of a movable gradiograph and can work under a certain water pressure.

Description

technical field [0001] The invention relates to a sliding micrometer, which belongs to the technical field of instruments and meters. Background technique [0002] Sliding micrometers are widely used to measure the axial displacement of boreholes in any direction and measuring lines in rock, concrete or soil with high precision. At present, there are mainly two types of sliding micrometers in terms of measurement methods. One is the sliding micrometer for contact measurement. The elastic components of the sliding micrometer tensile instrument in this way adopt the positioning method of spherical surface and conical surface. Make the measuring heads at both ends of the instrument closely contact with the two adjacent measuring targets, measure the relative displacement of the two adjacent measuring targets by measuring the deformation of the elastic element, and calculate the The distance between two adjacent markers. The elastic element of the instrument needs a large exte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/02
Inventor 刘冠军邓检华汤祥林李朝晖安保庆王梅枝李学胜王军涛刘炜铭
Owner STATE GRID ELECTRIC POWER RES INST
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